{"id":158787,"date":"2024-11-03T04:51:31","date_gmt":"2024-11-02T20:51:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/158787\/"},"modified":"2024-11-03T04:51:32","modified_gmt":"2024-11-02T20:51:32","slug":"%e9%97%9c%e6%96%bcmysql%e5%84%aa%e5%8c%96%e5%8e%9f%e7%90%86%ef%bc%8c%e4%bd%a0%e4%b8%8d%e5%be%97%e4%b8%8d%e7%9f%a5%e9%81%93%e7%9a%84%e9%82%a3%e4%ba%9b%e4%ba%8b%e5%85%92","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/158787\/","title":{"rendered":"\u95dc\u65bcMySQL\u512a\u5316\u539f\u7406\uff0c\u4f60\u4e0d\u5f97\u4e0d\u77e5\u9053\u7684\u90a3\u4e9b\u4e8b\u5152"},"content":{"rendered":"<h1 id=\"%e9%97%9c%e6%96%bcmysql%e5%84%aa%e5%8c%96%e5%8e%9f%e7%90%86%ef%bc%8c%e4%bd%a0%e4%b8%8d%e5%be%97%e4%b8%8d%e7%9f%a5%e9%81%93%e7%9a%84%e9%82%a3%e4%ba%9b%e4%ba%8b%e5%85%92-XhBQKvsFUk\">\u95dc\u65bcMySQL\u512a\u5316\u539f\u7406\uff0c\u4f60\u4e0d\u5f97\u4e0d\u77e5\u9053\u7684\u90a3\u4e9b\u4e8b\u5152<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u70ba\u4e86\u78ba\u4fddMySQL\u7684\u9ad8\u6548\u904b\u884c\uff0c\u4e86\u89e3\u5176\u512a\u5316\u539f\u7406\u662f\u975e\u5e38\u5fc5\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0eMySQL\u7684\u512a\u5316\u539f\u7406\u53ca\u5176\u5be6\u7528\u6280\u5de7\u3002<\/p>\n<h2 id=\"1-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-XhBQKvsFUk\">1. \u67e5\u8a62\u512a\u5316<\/h2>\n<p>\u67e5\u8a62\u512a\u5316\u662fMySQL\u6027\u80fd\u8abf\u512a\u7684\u6838\u5fc3\u3002\u901a\u904e\u5206\u6790\u548c\u6539\u5bebSQL\u67e5\u8a62\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u901f\u5ea6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u67e5\u8a62\u512a\u5316\u7684\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u53ef\u4ee5\u52a0\u901f\u67e5\u8a62\u904e\u7a0b\u3002\u5c0d\u65bc\u7d93\u5e38\u7528\u65bc\u67e5\u8a62\u7684\u5217\uff0c\u61c9\u8003\u616e\u5275\u5efa\u7d22\u5f15\u3002\u4f8b\u5982\uff1a<\/li>\n<pre><code>CREATE INDEX idx_user_name ON users (name);<\/code><\/pre>\n<li><strong>\u907f\u514dSELECT *\uff1a<\/strong>\u4f7f\u7528\u5177\u9ad4\u7684\u5217\u540d\u800c\u4e0d\u662fSELECT 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\u6578\u64da\u5eab\u8a2d\u8a08<\/h2>\n<p>\u826f\u597d\u7684\u6578\u64da\u5eab\u8a2d\u8a08\u662f\u512a\u5316\u7684\u57fa\u790e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u8a2d\u8a08\u4e0a\u7684\u8003\u91cf\uff1a<\/p>\n<ul>\n<li><strong>\u6b63\u898f\u5316\uff1a<\/strong>\u901a\u904e\u6b63\u898f\u5316\uff0c\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5197\u9918\uff0c\u63d0\u9ad8\u6578\u64da\u4e00\u81f4\u6027\u3002\u7136\u800c\uff0c\u904e\u5ea6\u6b63\u898f\u5316\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u6b64\u9700\u8981\u5e73\u8861\u3002<\/li>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\uff1a<\/strong>\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u53ef\u4ee5\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u4e26\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u5c0f\u7bc4\u570d\u7684\u6574\u6578\uff0c\u53ef\u4ee5\u4f7f\u7528TINYINT\u800c\u4e0d\u662fINT\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e9%85%8d%e7%bd%ae%e5%84%aa%e5%8c%96-XhBQKvsFUk\">3. 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\u5be6\u969b\u6848\u4f8b<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u8a31\u591a\u4f01\u696d\u901a\u904e\u512a\u5316MySQL\u67e5\u8a62\u548c\u914d\u7f6e\u53c3\u6578\uff0c\u986f\u8457\u63d0\u9ad8\u4e86\u7cfb\u7d71\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u4e00\u5bb6\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u5728\u5c0d\u5176\u67e5\u8a62\u9032\u884c\u512a\u5316\u5f8c\uff0c\u9801\u9762\u52a0\u8f09\u6642\u9593\u6e1b\u5c11\u4e8650%\uff0c\u7528\u6236\u9ad4\u9a57\u5f97\u5230\u4e86\u660e\u986f\u6539\u5584\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-XhBQKvsFUk\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u7684\u512a\u5316\u662f\u4e00\u500b\u7d9c\u5408\u6027\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u67e5\u8a62\u512a\u5316\u3001\u6578\u64da\u5eab\u8a2d\u8a08\u3001\u914d\u7f6e\u8abf\u6574\u4ee5\u53ca\u6301\u7e8c\u7684\u76e3\u63a7\u8207\u5206\u6790\u3002\u901a\u904e\u638c\u63e1\u9019\u4e9b\u512a\u5316\u539f\u7406\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u61c9\u7528\u7684\u6548\u7387\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a 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